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Ted Yu commented on HBASE-6721: ------------------------------- Running TestShell with latest patch, I got: {code} 1) Error: test_Test_Basic_Group_Commands(Hbase::GroupShellTest): NativeException: org.apache.hadoop.hbase.exceptions.UnknownProtocolException: org.apache.hadoop.hbase.exceptions.UnknownProtocolException: No registered master coprocessor service found for name hbase.pb.GroupAdminService at org.apache.hadoop.hbase.master.MasterRpcServices.execMasterService(MasterRpcServices.java:682) at org.apache.hadoop.hbase.protobuf.generated.MasterProtos$MasterService$2.callBlockingMethod(MasterProtos.java:57964) at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2184) at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:109) at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:133) at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108) ... 2) Failure: test_Test_bogus_arguments(Hbase::GroupShellTest) [./src/test/ruby/shell/group_shell_test.rb:85:in `test_Test_bogus_arguments' org/jruby/RubyProc.java:270:in `call' org/jruby/RubyKernel.java:2105:in `send' org/jruby/RubyArray.java:1620:in `each' org/jruby/RubyArray.java:1620:in `each']: <ArgumentError> exception expected but was Class: <NativeException> Message: <"org.apache.hadoop.hbase.exceptions.UnknownProtocolException: org.apache.hadoop.hbase.exceptions.UnknownProtocolException: No registered master coprocessor service found for name hbase.pb.GroupAdminService\n\tat org.apache.hadoop.hbase.master.MasterRpcServices.execMasterService(MasterRpcServices.java:682)\n\tat org.apache.hadoop.hbase. protobuf.generated.MasterProtos$MasterService$2.callBlockingMethod(MasterProtos.java:57964)\n\tat org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2184)\n\tat org. apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:109)\n\tat org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:133)\n\tat org.apache.hadoop.hbase.ipc. RpcExecutor$1.run(RpcExecutor.java:108)\n\tat java.lang.Thread.run(Thread.java:745)\n"> {code} Francis: Do the tests pass for you ? > RegionServer Group based Assignment > ----------------------------------- > > Key: HBASE-6721 > URL: https://issues.apache.org/jira/browse/HBASE-6721 > Project: HBase > Issue Type: New Feature > Reporter: Francis Liu > Assignee: Francis Liu > Labels: hbase-6721 > Attachments: 6721-master-webUI.patch, HBASE-6721 > GroupBasedLoadBalancer Sequence Diagram.xml, HBASE-6721-DesigDoc.pdf, > HBASE-6721-DesigDoc.pdf, HBASE-6721-DesigDoc.pdf, HBASE-6721-DesigDoc.pdf, > HBASE-6721_0.98_2.patch, HBASE-6721_10.patch, HBASE-6721_11.patch, > HBASE-6721_12.patch, HBASE-6721_13.patch, HBASE-6721_14.patch, > HBASE-6721_15.patch, HBASE-6721_8.patch, HBASE-6721_9.patch, > HBASE-6721_9.patch, HBASE-6721_94.patch, HBASE-6721_94.patch, > HBASE-6721_94_2.patch, HBASE-6721_94_3.patch, HBASE-6721_94_3.patch, > HBASE-6721_94_4.patch, HBASE-6721_94_5.patch, HBASE-6721_94_6.patch, > HBASE-6721_94_7.patch, HBASE-6721_98_1.patch, HBASE-6721_98_2.patch, > HBASE-6721_hbase-6721_addendum.patch, HBASE-6721_trunk.patch, > HBASE-6721_trunk.patch, HBASE-6721_trunk.patch, HBASE-6721_trunk1.patch, > HBASE-6721_trunk2.patch, balanceCluster Sequence Diagram.svg, > hbase-6721-v15-branch-1.1.patch, hbase-6721-v16.patch, hbase-6721-v17.patch, > hbase-6721-v18.patch, immediateAssignments Sequence Diagram.svg, > randomAssignment Sequence Diagram.svg, retainAssignment Sequence Diagram.svg, > roundRobinAssignment Sequence Diagram.svg > > > In multi-tenant deployments of HBase, it is likely that a RegionServer will > be serving out regions from a number of different tables owned by various > client applications. Being able to group a subset of running RegionServers > and assign specific tables to it, provides a client application a level of > isolation and resource allocation. > The proposal essentially is to have an AssignmentManager which is aware of > RegionServer groups and assigns tables to region servers based on groupings. > Load balancing will occur on a per group basis as well. > This is essentially a simplification of the approach taken in HBASE-4120. See > attached document. -- This message was sent by Atlassian JIRA (v6.3.4#6332)